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Communication device and imaging apparatus

  • US 8,723,716 B2
  • Filed: 03/09/2011
  • Issued: 05/13/2014
  • Est. Priority Date: 03/23/2010
  • Status: Active Grant
First Claim
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1. A communication device comprising:

  • an oscillator configured to generate an oscillation signal;

    a harmonic generator configured to generate a higher harmonic wave having a pulse signal from the oscillation signal;

    a first filter configured to take out a first high frequency signal from said higher harmonic wave having the pulse signal;

    a second filter configured to take out a second high frequency signal from the higher harmonic wave having the pulse signal;

    a down conversion mixer configured to use the second high frequency signal to perform down conversion of a reception signal obtained by receiving a reflected signal of the first high frequency signal being transmitted;

    a hybrid coupler configured to generate a first intermediate frequency signal and a second intermediate frequency signal, which are orthogonal with each other, from the oscillation signal;

    a first mixer configured to take out a first baseband signal by mixing an output from the down conversion mixer with the first intermediate frequency signal; and

    a second mixer configured to take out a second baseband signal by mixing an output from the down conversion mixer with the second intermediate frequency signal,wherein the harmonic generator is a pulse generator.

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